313321703 has 4 divisors (see below), whose sum is σ = 313375920. Its totient is φ = 313267488.

The previous prime is 313321691. The next prime is 313321717. The reversal of 313321703 is 307123313.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 307123313 = 7 ⋅43874759.

It is a cyclic number.

It is not a de Polignac number, because 313321703 - 2⁶ = 313321639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313321003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17243 + ... + 30396.

It is an arithmetic number, because the mean of its divisors is an integer number (78343980).

Almost surely, 2^313321703 is an apocalyptic number.

313321703 is a deficient number, since it is larger than the sum of its proper divisors (54217).

313321703 is an equidigital number, since it uses as much as digits as its factorization.

313321703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54216.

The product of its (nonzero) digits is 1134, while the sum is 23.

The square root of 313321703 is about 17700.8955423165. The cubic root of 313321703 is about 679.1986689492.

The spelling of 313321703 in words is "three hundred thirteen million, three hundred twenty-one thousand, seven hundred three".